Cast Iron Bed Plates and T-Slotted Floor Plates

Product

Cast Iron Bed Plates and T-Slotted Floor Plates

Product Details

‘GRE’ Cast iron hand scraped Surface Plate conforms to IS 2285. These Plates are manufactured in various sizes & grades to suit customer’s exact requirements.Grade I being PRECISION HAND SCRAPED and Grade Il accurately finish machined to tolerance.

‘GRE’ Surface Plates are made of close grained Cast iron to IS 210 Grade FG 200 or FG 220/260 with Hardness 170-200 BHN. Adequate care has been taken in the design of Ribbing to meet requirements of IS / BS & DIN specifications. These are artificially seasoned as recommended by IS 2285 & BS 817 and HAND SCRAPED accurately, so that the error in flatness over any 100 mm distance shall not exceed as per details furnished hereunder.

Surface Plates are also supplied with one or more ‘T’ slots as per customer’s need at extra cost.

‘GRE’ Surface Plates up to 630 x 630 mm are provided with handles. Sizes over 1000 x 1000 mm and above are provided with lifting arrangement.

CI floorstands or fabricated stand could be supplied along with ‘GRE’ Plates at an added cost.

‘Special ‘T’ Slotted Bed Plates are manufactured to suit customer’s requirements for varied application. Plate size 2000 x 2000 mm onwards upto 6000 x 2000 mm and combination thereof are under manu facturing programme. Bed Plates & AUXILIARY- PLATES for HORIZONTAL BORING MACHINES are

also manufactured to IS 10602-83.These are Combi nation Type Plates & manufactured with Square side- faces, so that, when one or more plates are com bined, large configuration is obtained

Specification

CAST IRON SURFACE PLATES SPECIFICATION AS PER IS 2285 : 2003

Product Code	Size of Plate	Diagonal length (approx)	Border Zone	Tolerance on deviation from flatness overall grades
				0	1	2	3
CS-01	160 x 100	188	2	3	6	12	25
CS-02	250 x 160	296	3	3.5	7	14	27
CS-03	250 x 250	354	5	3.5	7	15	30
CS-04	400 x 250	471	5	4	8	16	32
CS-05	400 x 400	566	8	4.5	9	17	34
CS-06	630 x 400	745	8	5	10	20	39
CS-07	630 x 630	891	13	5	10	21	42
CS-08	1000 x 630	1180	13	6	12	24	49
CS-09	1000 x 1000	1414	20	7	14	28	56
CS-10	1600 x 1000	1880	20	8	16	33	66
CS-11	2000 x 1000	2236	20	9.5	19	38	75
CS-12	2500 x 1600	2960	20	11.5	23	46	92

CAST IRON “T” SLOTTED FLOOR PLATES SPECIFICATION AS PER IS:10602

Product Code	L/B	H	No of ‘T’ Slots	Max Permissible Deviation from Flatness		Straightness of ‘T’ Slot
				GRADE ‘I’	GRADE ‘II’	GRADE ‘I’	GRADE ‘II’
CF-01	1000 x 1000	250	6	0.025	0.05	0.02	0.05
CF-02	2000 x 2000	250	8	0.050	0.10	0.04	0.07
CF-03	2000 x 3000	300	8	0.075	0.15	0.06	0.10
CF-04	2000 x 4000	300	8	0.100	0.20	0.08	0.14
CF-05	2000 x 5000	300	8	0.125	0.25	0.10	0.17
CF-06	2000 x 6000	300	8	0.150	0.30	0.10	0.21
		400	8	0.150	0.30	0.10	0.21

Tolerancesfor hand scraped plates on deviation from flatness overall are expressed to the nearest µm.
- 1µm for plates of grade 1,2.3
- 5µm for plates of grade ‘0’ NOTE:

Special sizes can also be offered to customer’s

requirement both as individual larger and combined plates adding more than one unit

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